Work out the answers to:a) 7 + (-4)b) (-6) + (-3)c) 2 -(-6)d) (-8) - (-13)
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Answer:
Point O is the center of the circle.
<u>Part (a)</u>
is a chord.
is a segment of the radius and is perpendicular to
If a radius is perpendicular to a chord, it bisects the chord (divides the chord into two equal parts).
Therefore,
<u>Part (b)</u>
If was extended past point E to touch the circumference it would be a chord.
As is perpendicular to
, it would bisect the chord, but as
is only a portion of a chord,
<u>does not</u> bisect
.
Therefore, there is no length equal to .